change R_Home so that it works with the relative path current directory
change R_Home so that it works with the relative path current directory

ColumbusCollaboratory/electron-quick-start,ColumbusCollaboratory/electron-quick-start,ColumbusCollaboratory/electron-quick-start,ColumbusCollaboratory/electron-quick-start,ColumbusCollaboratory/electron-quick-start,ColumbusCollaboratory/electron-quick-start,ColumbusCollaboratory/electron-quick-start,ColumbusCollaboratory/electron-quick-start,ColumbusCollaboratory/electron-quick-start,ColumbusCollaboratory/electron-quick-start,ColumbusCollaboratory/electron-quick-start